They should be working, but missing documentation (where is that broken link from?) and quit a few of the expected features. (at the moment they are just text, accent, and background color) This posts shows the basics for now to use.
I will get back to them, but I’m trying to tackle “the hardest remaining thing” for 2.0 … and keeps changing as I continue. I think Markdown support is pretty good now, next focus is navigation bar features.